oj.uz

Submission #171454

# Submission time Handle Problem Language Result Execution time Memory
171454 2019-12-28T16:53:04 Z ne4eHbKa Bank (IZhO14_bank) C++17
71 / 100
 1000 ms 22040 KB 
//{ <defines>
#ifndef _LOCAL
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-O3")
#pragma GCC optimize("Ofast")
#endif

#include <bits/stdc++.h>
using namespace std;

#define fr(i, n) for(int i = 0; i < (n); ++i)
#define fo(n) fr(i, (n))

#define re return
#define ef else if
#define ifn(x) if(!(x))
#define _  << ' ' <<

#define ft first
#define sd second
#define ve vector
#define pb push_back
#define eb emplace_back

#define sz(x) int(x.size())
#define pw(x) (1 << (x))
#define PW(x) (1ll << (x))
#define bnd(x) x.begin(), x.end()
#define clr(x, y) memset(x, y, sizeof x)

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef ve<int> vi;

const int oo = 2e9;
const ll OO = 4e18;
//const ld pi = arg(complex<ld>(-1, 0));
//const ld pi2 = pi + pi;
const int md = 0x3b800001;
const int MD = 1e9 + 7;

inline ll time() {re chrono :: system_clock().now().time_since_epoch().count();}
mt19937 rnd(time());
mt19937_64 RND(time());

template<typename t> inline void umin(t &a, t b) {a = min(a, b);}
template<typename t> inline void umax(t &a, t b) {a = max(a, b);}
//} </defines>
const int N = 20;
const int M = 1 << N;

int n, m, a[N], b[N], s[M];
vi f[(int)2e4 + 5];

void solve() {
    cin >> n >> m;
    fo(n) cin >> a[i];
//    random_shuffle(a, a + n, [](int x){re rnd() % x;});
    fo(m) cin >> b[i];
    sort(b, b + m);

#ifdef _LOCAL
    for(auto &p : f) p.clear();
#endif

    fo(1 << m) {
        fr(j, m) ifn(i & pw(j)) s[i ^ pw(j)] = s[i] + b[j];
        f[s[i]].pb(i);
    }

    set<int> G, H; set<int> *g = &G, *h = &H;
    g -> insert(0);
    fo(n) {
        if(g -> empty() || f[a[i]].empty()) re void(cout << "NO\n");
        h -> clear();
        for(int t : *g) for(int j : f[a[i]]) ifn(j & t) h -> insert(j ^ t);
        swap(g, h);
    }
    cout << (g -> empty() ? "NO\n" : "YES\n");
}

int main() {
#ifdef _LOCAL
    freopen("in.txt", "r", stdin);
    int tests; cin >> tests;
    fo(tests) {
		cerr << "case #" << i+1 << endl;
		solve();
	}
#else
    ios_base :: sync_with_stdio(0); cin.tie(0); cout.tie(0);
	solve();
#endif
	return 0;
}

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 888 KB Output is correct
2 Correct 3 ms 1016 KB Output is correct
3 Correct 3 ms 888 KB Output is correct
4 Correct 5 ms 1144 KB Output is correct
5 Correct 121 ms 10940 KB Output is correct
6 Correct 3 ms 888 KB Output is correct
7 Correct 3 ms 888 KB Output is correct
8 Correct 127 ms 10544 KB Output is correct
9 Correct 114 ms 10360 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 888 KB Output is correct
2 Correct 2 ms 888 KB Output is correct
3 Correct 3 ms 888 KB Output is correct
4 Correct 2 ms 764 KB Output is correct
5 Correct 3 ms 760 KB Output is correct
6 Correct 3 ms 888 KB Output is correct
7 Correct 2 ms 760 KB Output is correct
8 Correct 3 ms 760 KB Output is correct
9 Correct 3 ms 888 KB Output is correct
10 Correct 3 ms 888 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1016 KB Output is correct
2 Correct 5 ms 1016 KB Output is correct
3 Correct 5 ms 1148 KB Output is correct
4 Correct 4 ms 1016 KB Output is correct
5 Correct 5 ms 1016 KB Output is correct
6 Correct 5 ms 1144 KB Output is correct
7 Correct 4 ms 1016 KB Output is correct
8 Correct 4 ms 1016 KB Output is correct
9 Correct 4 ms 1016 KB Output is correct
10 Correct 5 ms 1016 KB Output is correct
11 Correct 4 ms 1016 KB Output is correct

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 888 KB Output is correct
2 Correct 3 ms 1016 KB Output is correct
3 Correct 3 ms 888 KB Output is correct
4 Correct 5 ms 1144 KB Output is correct
5 Correct 121 ms 10940 KB Output is correct
6 Correct 3 ms 888 KB Output is correct
7 Correct 3 ms 888 KB Output is correct
8 Correct 127 ms 10544 KB Output is correct
9 Correct 114 ms 10360 KB Output is correct
10 Correct 3 ms 888 KB Output is correct
11 Correct 2 ms 888 KB Output is correct
12 Correct 3 ms 888 KB Output is correct
13 Correct 2 ms 764 KB Output is correct
14 Correct 3 ms 760 KB Output is correct
15 Correct 3 ms 888 KB Output is correct
16 Correct 2 ms 760 KB Output is correct
17 Correct 3 ms 760 KB Output is correct
18 Correct 3 ms 888 KB Output is correct
19 Correct 3 ms 888 KB Output is correct
20 Correct 5 ms 1016 KB Output is correct
21 Correct 5 ms 1016 KB Output is correct
22 Correct 5 ms 1148 KB Output is correct
23 Correct 4 ms 1016 KB Output is correct
24 Correct 5 ms 1016 KB Output is correct
25 Correct 5 ms 1144 KB Output is correct
26 Correct 4 ms 1016 KB Output is correct
27 Correct 4 ms 1016 KB Output is correct
28 Correct 4 ms 1016 KB Output is correct
29 Correct 5 ms 1016 KB Output is correct
30 Correct 4 ms 1016 KB Output is correct
31 Correct 116 ms 11124 KB Output is correct
32 Correct 177 ms 10644 KB Output is correct
33 Correct 116 ms 10372 KB Output is correct
34 Correct 127 ms 10964 KB Output is correct
35 Correct 124 ms 11384 KB Output is correct
36 Correct 125 ms 11128 KB Output is correct
37 Correct 121 ms 11304 KB Output is correct
38 Correct 120 ms 11408 KB Output is correct
39 Correct 367 ms 18856 KB Output is correct
40 Correct 117 ms 11384 KB Output is correct
41 Correct 117 ms 10588 KB Output is correct
42 Correct 119 ms 10204 KB Output is correct
43 Correct 116 ms 11324 KB Output is correct
44 Correct 131 ms 11768 KB Output is correct
45 Correct 117 ms 10704 KB Output is correct
46 Correct 116 ms 11384 KB Output is correct
47 Correct 125 ms 11000 KB Output is correct
48 Correct 114 ms 10432 KB Output is correct
49 Correct 112 ms 10492 KB Output is correct
50 Execution timed out 1075 ms 22040 KB Time limit exceeded
51 Halted 0 ms 0 KB -